r216829 - in /trunk/gcc: ChangeLog ira-costs.c ...

[rsandifo@gcc.gnu.org]

Author: rsandifo
Date: Wed Oct 29 10:02:33 2014
New Revision: 216829

URL: https://gcc.gnu.org/viewcvs?rev=216829&root=gcc&view=rev
Log:
gcc/
	PR rtl-optimization/63340 (part 2)
	* rtl.h (invalid_mode_change_p): Delete.
	(valid_mode_changes_for_regno): New function.
	* reginfo.c (invalid_mode_change_p): Delete.
	(valid_mode_changes_for_regno): New function.
	* ira-costs.c (setup_regno_cost_classes_by_aclass): Restrict the
	classes to registers that are allowed by valid_mode_changes_for_regno.
	(setup_regno_cost_classes_by_mode): Likewise.
	(print_allocno_costs): Remove invalid_mode_change_p test.
	(print_pseudo_costs, find_costs_and_classes): Likewise.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ira-costs.c
    trunk/gcc/reginfo.c
    trunk/gcc/rtl.h